Brush.



No. 645,523. Patented Mar. ls, |900,-

La. FARNHAM.

BRUSH.

(Application led Mar. 19, 1898.)

(No Model.)

est l TTM G. Z'fr/z/Io WW wff@ Jiffy' Be it known that I, FRANK GUNNFARN'HAM,

FRANK GUN N FARNHAM, OF I'IONESDALE, PENNSYLVANIA.

BRUSH..

SPECIFICATION forming part of Letters Patent No. 645,523, dated March13, 1900.

i Applicationled March 19,1898.

.To all whom it may concern:

a citizen of the United States, residing at Honesdale, State ofPennsylvania, have invented certain new and useful Improvements inBrushes, of which the following is aspe'cication.

My invention is designed to provide a very simple and cheap constructionof brush for the polishing of metals of all kinds and adapted also foruse in glass-polishing.

I have aimed to make a brush equally as efficient, if not more so, asthe brushes now used by the trade, but more economical to manufacture,and inattaining this object I use a hub or central piece with what I mayterm core-sections encircling the hub and extending therefrom,and theber I arrange in layers separated by thin disks of cloth, wood, or likesuitable material, the endsof the ber layers and interposed disks beingheld by gluing, while to give still further strength and nish I useouter conning-rings secured by gluing or by gluing and nailing to thecoresections, these rings overlapping the inner ends of the ber.

In the accompanying drawings, Figure lis a sectional view showing acompleted brush on the right, but with the bers removed on the left.Fig. 2 is a plan view of Fig. I. Fig. 3 isasectional view of a brushwith ataperhub.

Referring to Fig. l, I use a central hub A, and around this hub I placewhat I term core sections d', each being preferably made up of veneerssecured together, though I do not limit myself in this connection, aseach section may be in one piece; but I nd that the veneers are strongerand not sov liable to warp. The sections are separated centrally by aring or gasket of rubber g or other flexible material. The ber B is laidin layers, as shown at the right of Fig. l, with disks d', of cloth orveneer, between the layers, these disks extending only between thelayers -of ber at their inner ends, the outer ends of the ber being freefrom separation. The ber layers and interposed disks or rings aresecurely held together and to adjacent parts of the brush by glue orother adhesive material. In order to conne the layers of ber, I useouter rings c', these being secured in any vinto contact with the hub,as in Fig. 2.

suitable manner, preferably by gluing and serai No. 674,508. (No man.)

clench-nailing to the core-sections d', with their outer portionsoverlapping and bearing against the inner ends of the ber and prefequalto the width of the intermediate disks or rings a. This forms averyefcientbrush, simple in construction, and not liable to get out oforder. The rubber ring g allows a certainramount of elasticity, and moreor less pressure can be exerted in order to bring the lerably extendingover the bers a distance and under I prefer to have the core-sections dclose together andextend the side rings c The hubs in small brushes Iprefer to use Without a bushing and taper the hole each Way to thecenter, so as to have them t various taper spindles on which they aresecured. The space E may be provided with a gasket or ring of rubber orother exible material.

I/Vhen the brush is liable to come in con tact with water, as inglass-polishing, I clenchnail the rims of the veneered rings c', asshown at n, Fig. 2.

The space 1, Fig. l, may be lled or not, as desired, the lling servingto balance the brush. u

The wood-screws s, Fig. 2, I use to strengthen the construction. Iprefer to put them in after the brush is thoroughly seasoned.

I do not conne myself to the number lof veneer pieces which may be usedin different parts of the construction. For instance, in Fig. l theouter rings cI prefer to have made of three pieces of knife-cut veneersglued to-y gether, While the interposed disks or rings may be of clothor veneer or paper reinforced with cloth. Nor do I conne myself. to thekind of brush material, since cloth, felt, or bristles may besubstituted for Tampico ber when necessary. Neither do I connemyself tothe kind of material used in making the outer rings and core-sections,as these may be Ico'- formed in one piece from compressed WoodpulpWithout departing from the spirit of my invention. y

In some eases, when small brushes varying from tWo and one-half to fiveinches in diameter are used, I prefer to employ vulcanized rings ordisks in place of three-ply Wood veneers e if they are likely to getWet.

The hubs may have a bushing 15, as shown in Fig. 1, so as to adapt thebrush to spindles of varying diameter, the bushing being removed wllenlarger spindles are to be used.

I claim as my invention-"- 1. A polishing-brush comprisinga hub, con'-ningside rings, core-sections, a series of lay- Ythe layers,substantially as described.

In testimony whereof I affix my signature in presence of two Witnesses.

FRANK GUNN FARNHAM. 'Witnessesz' y l F. C. FARNHAM, RoBT. A. SMITH. t

